解令t=2x-1则原方程变为t^2+3t+2=0即(t+2)(闹侍t+1)=0解得t=-2或t=-1故2x-1=-2或携棚2x-1=-1解得x=-1/2或x=0故(2x-1)^2+3(2x-1)+2=0解为辩弯则x=0或x=-1/2.
1 11 2(耐宴咐昌纯祥锋2x-1+1)(2x-1+2)=02x(2x+1)=0x1=0x2=-1/2
4x^2+1-4x+6x-3+2=04x^2+2x=0x(4x+2)=0x=0或-1/2